53985047443 has 2 divisors, whose sum is σ = 53985047444. Its totient is φ = 53985047442.

The previous prime is 53985047437. The next prime is 53985047447. The reversal of 53985047443 is 34474058935.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53985047443 - 2⁹ = 53985046931 is a prime.

It is not a weakly prime, because it can be changed into another prime (53985047447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26992523721 + 26992523722.

It is an arithmetic number, because the mean of its divisors is an integer number (26992523722).

Almost surely, 2^53985047443 is an apocalyptic number.

53985047443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53985047443 is an equidigital number, since it uses as much as digits as its factorization.

53985047443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 53985047443 in words is "fifty-three billion, nine hundred eighty-five million, forty-seven thousand, four hundred forty-three".